LM3102MH/NOPB Part Information

Details for LM3102MH/NOPB by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

The LM3102/-Q1 SIMPLE SWTCHER® Synchronously Rectified Buck Converter features all required functions to implement a highly efficient and cost-effective buck regulator. The device can supply 2.5 A to loads with an output voltage as low as 0.8 V. Dual N-channel synchronous MOSFET switches allow a low component count, thus reducing complexity and minimizing board size. Different from most other COT regulators, the LM3102/-Q1 does not rely on output capacitor ESR for stability, and is designed to work exceptionally well with ceramic and other very low-ESR output capacitors. The device requires no loop compensation, results in a fast load transient response and simple circuit implementation. The operating frequency remains nearly constant with line variations due to the inverse relationship between the input voltage and the ON-time. The operating frequency can be externally programmed up to 1 MHz. Protection features include VCC undervoltage lockout (UVLO), output overvoltage protection, thermal shutdown, and gate drive UVLO. The LM3102/-Q1 is available in the thermally enhanced HTSSOP-20 package, and LM3102 is also available in a DSBGA low-profile chip-scale package with reduced output current.

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Part Features

  • High Efficiency at a Light Load by DCM Operation
  • Key Specifications
  • LM3102-Q1 is an Automotive-Grade Product that is AEC-Q100 Grade 1 Qualified (u201340u00b0C to +125u00b0C Operating Junction Temperature)
  • Low Component Count and Small Solution Size
  • No Loop Compensation Required
  • Output Overvoltage Protection
  • Prebias Start-Up
  • Precision Internal Reference for an Adjustable Output Voltage Down to 0.8 V
  • Programmable Soft-Start
  • Programmable Switching Frequency up to 1 MHz
  • Stable With Ceramic and Other Low-ESR Capacitors
  • Thermal Shutdown
  • Ultra-Fast Transient Response
  • Valley Current Limit

Part Specifications

Topology Synchronous Buck (Step Down)
Input Voltage Min 4.5V
Input Voltage Max 42V
No. of Outputs 1Outputs
DC / DC Converter IC Case HTSSOP
No. of Pins 20Pins
Output Current 2.5A
Output Voltage Min 800mV
Output Voltage Max 7V
Switching Frequency 1MHz
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • Sync 1MHz,2.5A,Buck,V Reg,LM3102MH | RS Components
  • DC/DC CONV, SYNC BUCK, 1MHZ, HTSSOP-20; Topology:Synchronous Buck (Step Down); Input Voltage Min:4.5V; Input Voltage Max:42V; No. of Outputs:1Outputs; DC / DC Converter IC Case:HTSSOP; No. of Pins:20Pins; Output Current:2.5A; Output RoHS Compliant: Yes | Newark Electronics
  • Conv DC-DC Single Step Down 4.5V to 42V 20-Pin TSSOP EP Rail | Avnet America
  • Synchronous 1MHz 2.5A Step-Down Voltage Regulator | Texas Instruments
  • Switching Regulator IC [Texas Instruments] LM3102MH/NOPB Switching Regulator IC | Distrelec

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